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  1. kjocis

    Low temperature air-air heat exchenger

    I guess that this is the harsh reality Speco.., but what would be the solution then? Heat pump-something (+ energy costs, maintenance etc)? Or increasing the pressure (sounds awfull)..
  2. kjocis

    Low temperature air-air heat exchenger

    Okay, true, but ''tubing'' is a wide term. I mean, there are ways to increase the turbulence of air flow - finns and different heat transfer augumentation devives. How to choose the best one..? Are there any comparative studies I could check out? Or should I just get 10m of different types and...
  3. kjocis

    Low temperature air-air heat exchenger

    I am having a difficult time in figuring out the best way to recover heat from drying process. The basical idea is - heat is supplied to drying line, where gras is dried. Thhe hot and moist air from grass is collected and through heat exchanger cooled down. The fresh air for burning process...
  4. kjocis

    Heat loss from dome house.

    But isn't heat loss from hemisphere greater than from straught surface? Same as tubes - there are critical insulation at which the heat loss gets even greater (can't remember the formula now..)
  5. kjocis

    Heat loss from dome house.

    Hello everyone! I have one serious question, that needs solving. I live in Latvia (close to Finland, Norway etc.) so the weather is quite cold. So I would like to calculate what would be the heat loss from geodesic dome if I built one here. As far as I understand the heat loss can't be...

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